WO2005101622A1 - Unite d'entrainement d'un dispositif de reglage installe dans un vehicule - Google Patents

Unite d'entrainement d'un dispositif de reglage installe dans un vehicule Download PDF

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Publication number
WO2005101622A1
WO2005101622A1 PCT/DE2005/000633 DE2005000633W WO2005101622A1 WO 2005101622 A1 WO2005101622 A1 WO 2005101622A1 DE 2005000633 W DE2005000633 W DE 2005000633W WO 2005101622 A1 WO2005101622 A1 WO 2005101622A1
Authority
WO
WIPO (PCT)
Prior art keywords
gear
drive unit
motor
gear stage
ring
Prior art date
Application number
PCT/DE2005/000633
Other languages
German (de)
English (en)
Inventor
Rolf Schüler
Michael Berres
Bernd Bossmanns
Karsten Kalmus
Christoph Schuhn
Heinz Voss
Original Assignee
Keiper Gmbh & Co. Kg
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Keiper Gmbh & Co. Kg filed Critical Keiper Gmbh & Co. Kg
Priority to CN2005800120074A priority Critical patent/CN1943096B/zh
Priority to PL05738842T priority patent/PL1735899T3/pl
Priority to JP2007507658A priority patent/JP2007532837A/ja
Priority to EP05738842A priority patent/EP1735899B1/fr
Priority to DE502005005545T priority patent/DE502005005545D1/de
Priority to KR1020067019143A priority patent/KR101141799B1/ko
Publication of WO2005101622A1 publication Critical patent/WO2005101622A1/fr
Priority to US11/581,090 priority patent/US7544143B2/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
    • B60N2/225—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by cycloidal or planetary mechanisms
    • B60N2/2251—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by cycloidal or planetary mechanisms with gears having orbital motion, e.g. sun and planet gears
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/0224—Non-manual adjustments, e.g. with electrical operation
    • B60N2/0244—Non-manual adjustments, e.g. with electrical operation with logic circuits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/0224—Non-manual adjustments, e.g. with electrical operation
    • B60N2/0244—Non-manual adjustments, e.g. with electrical operation with logic circuits
    • B60N2/0276—Non-manual adjustments, e.g. with electrical operation with logic circuits reaction to emergency situations, e.g. crash
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/12—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable and tiltable
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H13/00—Gearing for conveying rotary motion with constant gear ratio by friction between rotary members
    • F16H13/06—Gearing for conveying rotary motion with constant gear ratio by friction between rotary members with members having orbital motion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H15/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
    • F16H15/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members without members having orbital motion
    • F16H15/46—Gearings providing a discontinuous or stepped range of gear ratios
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H49/00—Other gearings
    • F16H49/001—Wave gearings, e.g. harmonic drive transmissions
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears

Definitions

  • the invention relates to a drive unit with the features of the preamble of claim 1.
  • Such drive units can be used for numerous purposes, such as windows, mirrors, sunroofs or the like.
  • brush-commutated as well as electronically commutated motors are known.
  • the speed can be reduced and at the same time the output torque can be increased.
  • the invention is based on the object to improve a drive unit of the type mentioned. This object is achieved according to the invention by a drive unit having the features of claim 1. Advantageous embodiments are the subject of the dependent claims.
  • the gear stage By forming the gear stage as a differential gear, which generates a movement of an output about an axis by utilizing two different speeds and / or directions of rotation, particularly small relative movements can be generated, which enable a low speed at the output.
  • the two different speeds and / or directions of rotation can be guided by the engine in the transmission stage or generated by the gear stage itself and tapped by setting a component with such a speed on the other component as an output.
  • the gear stage is realized in a friction wheel design with hollow and / or solid rollers, which are easy to install. With hollow rollers it is also possible to reduce the weight and at the same time serve as a bearing for a rotor of the motor.
  • the gear stage is preferably connected to an electronically commutated motor, but may also be connected to a brush-commutated motor.
  • Electronically commutated, brushless motors offer a high degree of electromechanical efficiency combined with low installation space and low noise level.
  • Several motors can be synchronized with the associated electronics without significant additional effort in their speed or position.
  • the type of commutation offers the possibility of detecting a blocking state, of electrically defining a maximum permissible blocking moment and of monitoring the temperature, and thus of realizing a higher energy density of the electromagnetic converter than brush motors, which allows a significant reduction in installation space and weight .
  • the integration of the control electronics into the motor offers advantages in the recognition of block situations, the evaluation of existing sensors and the coordination between the electronic function and the device to be driven, for example when recording or programming parameters of the engine behavior.
  • the different speed and / or direction of rotation of the rotors is preferably achieved in a structurally simple manner in that the rotors have a different number of poles with each other, which in turn is preferably different from the number of stator poles, so that the speed of the rotors of the Speed of the magnetic field of the stator deviates.
  • a ratio of the stator poles to the poles of the rotor which is different from 2: 3 and 3: 2, allows speed and / or rotational direction differences, with which - for example by means of two rotors - a small relative movement can be generated, which leads to a speed reduction with simultaneous Increase of the output side torque leads.
  • stator is preferably commutated electronically, while the rotors preferably wear permanent magnets as poles.
  • the stator In the circumferential direction of the stator, preferably exactly every second stator pole carries a coil in order to close the magnetic flux via the adjacent stator pole.
  • Stator and rotors may be arranged with respect to the central axis in radial sequence or axial sequence (pancake). To generate the different speeds, the poles of stator and rotors may differ by two, for example.
  • the motor drives with an engine pinion an intermediate wheel which can be positively locked or frictionally locked.
  • the motors are combined to form a multi-motor, which can meet different performance requirements in a situation-adapted manner and is space-saving and ergonomically favorable.
  • the motors are arranged in parallel engine shafts of a common engine mount, wherein a common intermediate forms the output of the multi-motor.
  • a common intermediate forms the output of the multi-motor.
  • extremely high power can be called up in the short term. If, for example, the motors of the multi-motor are normally connected in series, then in a particular situation they can be connected in parallel in order to output a higher power due to the higher voltage.
  • a situation is, for example, a crash or imminent crash of a vehicle.
  • the engine is preferably selected from a plurality of engine variants, in the radial embodiment, for example, an inner rotor, an external rotor or a - double rotor motor.
  • a gear stage that can be selected from a plurality of gear stage types, wherein a plurality of gear stages can also be connected in series, a modular system is available which, with a few modules, creates a large number of drive units to cover the various requirements.
  • the efficiency of the gear stage is important for the overall efficiency of the drive unit, which is why coaxial, fully symmetric transmission designs with the lowest possible number of individual bearings, in Reibrad- execution without any additional storage but rather with its own bearing function, are preferred ,
  • the gear stage may be formed as a single-stage planetary differential gear with a sun gear, a set of planetary rollers or gears and a ring gear, wherein the sun gear and the ring gear rotatably connected to a respective rotor of the motor, while a planetary rollers or wheels supporting web as Downforce is used.
  • the gear stage may also be designed as a multi-stage (ie at least two-stage) planetary differential gear with one or more sun gears, one or more sets of inner planetary rollers, one or more sets of outer planetary rollers and one or more outer rings arranged concentric to the central axis are, wherein the sun gears or the outer rings are arranged axially adjacent to the axis.
  • Different outer diameters of the two sun gears or different inner diameters of the two outer rings (or in each case different elasticities) lead to low speed differences.
  • the gear stage can also be used as a one-stage planetary differential gear with one or more sun gears, a set preferably ungestufter planetary rollers and one or more ring gears, which are arranged concentrically to the central axis, wherein the sun gears or ring gears are arranged axially adjacent to the axis.
  • Different elasticities and different outer diameters of the two sun gears or different inner diameters of the two ring gears lead to low speed differences.
  • the said speed differences can for example be tapped by one of the two said adjacent transmission elements of different diameter of a fixed housing and one connected to the output.
  • two outer rings of the housing fixed to the stator is in communication, while serving as a drive sun gear rotatably connected to a rotor of the motor.
  • the ring gear or the outer ring preferably have an elastic M-etallring and the metal ring receiving elastomer bed.
  • An elastomeric bed with the metal ring receiving and axially locking holder is preferably connected to a bell of the output designed as a hollow shaft.
  • an electromagnet which is defined by a switching coil is preferably provided in an embodiment which is easy to manufacture and which is provided with two repulsive permanent magnets.
  • Holding magnet cooperates, which are geometrically coupled with two " adjacent, similar transmission elements in order to determine these frictionally or positively locking with a manual transmission can be selected between zv ⁇ ei different gear ratios.
  • the gear stage is preferably selectable from a plurality of gear stage types. Used in conjunction with a motor that can be dispensed from several engine variants a modular system that uses a few modules to create a large number of drive units to meet the various requirements.
  • the drive unit drives an adjuster provided in the vehicle, which is used, for example, as a window regulator, in the exterior mirror, on the sunroof or on a vehicle seat.
  • the drive unit is preferably integrated in a load-receiving transmission, wherein the load-receiving transmission preferably supports a rotor directly or indirectly.
  • the so-trained adjuster has the advantage that separate transmission elements between the drive unit and the load-bearing transmission, such as a poor efficiency worm gear or the like, and separate bearing elements for the rotor are unnecessary.
  • the running noise is greatly reduced.
  • 2B a second engine variant
  • 2C shows a third engine variant
  • FIG. 4 is a schematic partial view of a second gear stage type, looking in the direction of arrow IV of FIG. 5,
  • FIG. 5 shows a section along the line V-V in Fig. 4,
  • FIG. 5 is an enlarged view of Fig. 5,
  • FIG. 10 is a side view of FIG. 9,
  • FIG. 13 A shows a locking direction for the motor for locking off torques introduced on the output side in the blocking state
  • FIG. 13B the Verstellimichtung of Fig. 13 A with starting engine.
  • a drive unit 10 has an engine 12 and a gear stage 14 provided on the output side of the engine 12.
  • the motor 12 is an electronically commutated motor with a stator 16, the stator poles 18 are arranged in a star shape about an axis A.
  • the extending in Fig. 2A to 2C perpendicular to the plane Axis A defines the following directions in cylindrical coordinates.
  • the engine 12 as an internal rotor motor with a radially disposed inside the stator 16 inner rotor 22 (first motor variant), as an external rotor motor with a radially outside of the stator 16 arranged external motor 24 (second motor variant) or as a double rotor motor, short duo motor, with a Internal rotor 22 and an external motor 24 (third engine variant) provided.
  • first motor variant an internal rotor motor with a radially disposed inside the stator 16 inner rotor 22
  • second motor variant external rotor motor with a radially outside of the stator 16 arranged external motor 24
  • second motor variant second motor variant
  • a double rotor motor, short duo motor with a Internal rotor 22 and an external motor 24 (third engine variant) provided.
  • inner rotor 22 and outer motor 24 rotate about the axis A and carry along the stator 16 facing peripheral surface permanent magnets 26 which are alternately poled in the circumferential direction.
  • All of the permanent magnets 26 used in the present application
  • the outer motor 24 provides a larger torque due to the magnetic forces acting on a larger radius (compared to the inner rotor 22). All three engine variants are preferably formed in a hollow shaft design, i. the area around axis A is left empty.
  • the number of permanent magnets 26 is selected so that their ratio to the number of stator poles 18 is not equal to 2: 3 or 3: 2, whereby the rotation of the inner rotor 22 and outer motor 24 deviates from the rotation of the magnetic field in the stator 16.
  • the inner rotor 22 has ten permanent magnets 26 and the outer motor 24 fourteen permanent magnets 26.
  • According to the different number of Permanent magnets 26 rotate in the third motor variant (duo motor) of the inner rotor 22 and the outer motor 24 in the present case with different speeds (5: 7) and also in opposite directions of rotation, which is indicated in the drawing by arrows.
  • an axial construction can also be realized, i. the rotors (pancake) and the stator are arranged axially one behind the other.
  • the gear 14 is used to suppress the speed of the motor 12 while translating the output from the engine 12 torque.
  • the gear 14 is designed as a differential gear, wherein different types are described below. For each type, there is an embodiment as friction-planetary differential gear with cylindrical, smooth planetary rollers, which - like the sun - can be hollow or solid. A hollow shaft construction of the gear stage 14, in which the area around the central axis A remains free, is preferred.
  • the first gear stage type is a one-stage planetary differential gear which will first be described in the friction wheel design.
  • the gear stage 14 is aligned with the central axis A of the motor 12.
  • Around the axis A around a sun gear 32 is arranged, on the peripheral surface of three planetary rollers 34 roll along, which in turn are surrounded by a ring gear 36.
  • the ring gear 36 provides a radial preload and thus a good unrolling of the planetary rollers 34 without slippage.
  • An annular web 38 carries on axial pin the piano rollers 34th
  • the preferred combination of this first gear stage type is done with the third engine variant, the duo engine, but can also be done with the other engine variants, including brush-commutated motors.
  • the Irmemotor 22 is rotatably connected to the sun gear 32, while the outer motor 24 is rotatably connected to the ring gear 36.
  • the web 38 serves as the output of the drive unit 10.
  • the respective diameters are matched in their dimensions to the speeds, torques and directions of rotation of the rotors 22 and 24.
  • the axial lengths of sun gear 32, planetary gears 34 and ring gear 36 are chosen so large that by means of the gear stage 14 Lagerang the inner rotor 22 and the outer rotor 24 takes place relative to the stator 16.
  • the second gear stage type is a multi-stage planetary differential gear, which in turn is described in the radially layered Reibrad- execution, but is also possible in a gear design. Likewise, massive and / or hollow components can be used again.
  • Around the axis A around a sun gear 32 is again arranged, on the peripheral surface of a position of inner planetary rollers 34 is arranged.
  • first outer planetary roller 40 and a second outer planetary roller 42 Placed in each space are axially one behind the other arranged a first outer planetary roller 40 and a second outer planetary roller 42, each having approximately half the axial length of an inner planetary roller 34, wherein the second outer planetary roller 42 has a relation to the first outer planetary roller 40 slightly smaller diameter has, which can be realized in a simple manner, for example, by the use of cylindrical rollers on the one hand from the metric and on the other hand from the imperial standard series. Instead of the cylindrical shape and a different shape for the rolling elements can be used.
  • This bias of the two radially layered rows of rollers ensure that all roles support each other and a concentric radially symmetrical arrangement results, which is without slippage, so that there is a high efficiency of the transmission stage 14.
  • a bridge and thus an inner bearing of the planetary rollers is not required, but not excluded.
  • the sun wheel 32 can be provided with radially outwardly facing ribs on the front side. hen to secure the planetary rollers in the axial direction, which is also possible with the other types of gear stages.
  • the two outer rings 44 and 46 are basically the same structure, so that in the following only the first outer ring 44 is described.
  • the first outer ring 44 has a steel elastic metal hinge 48 which rests on its radially inner side against the first outer planetary pulley 40 and is formed with a smaller inner diameter than the geometric arrangement of the enclosed rollers requires to apply the bias.
  • On the radially outer side and on the two axial end faces of the Metalhing 48 is in an elastomer bed 50 of the first outer ring 44.
  • the Metalhing 48 and the existing plastic elastomer bed 50 together ensure a very uniform contact pressure.
  • the elastomer bed 50 insulates the running noise and mitigates torque surges.
  • the described two-part construction of the first outer ring 44 can also be realized in the ring gear 36 or 36 'of the first gear stage type.
  • a holding lug 52 is provided, which is designed in two parts for the purpose of assembly and overlaps the elastomer bed 50 radially on the outside and with two ribs, which also applies to the other types of chisel types is possible.
  • the metal hinges 48 and the elastomer bed 50 are preferably continuous in the circumferential direction, but they may also be slotted or split, in particular slotted in an arrow shape, for example if they are connected in a rotationally fixed manner to the holder 52 should.
  • the elastomer bed 50 is preferably good thermal conductivity, for example by incorporation of metallic or other thermally conductive fibers or filling cavities or cutouts with a thermally conductive material. Between the Metalhing 48 and the elastomer bed 50 may also be provided a thermal paste.
  • the small diameter difference between the first outer planetary rollers 40 and the second outer planetary rollers 42 and, consequently, the inner diameter of the first outer ring 44 and the second outer ring 46 causes a difference in the rotational speeds of the two outer rings 44 and 46.
  • This small rotational speed difference is for a large Reduction (eg 200) of the gear stage 14 exploited when it is connected to the motor 12.
  • first outer ring 44 more particularly its holder 52, is fixed to the housing, i. connected to the stator 16.
  • the sun gear 32 serving as the drive is connected to the inner rotor 22 (or the outer motor 24), while the second outer ring 46 serves as the output 54.
  • designed as a hollow shaft output shaft is mounted with a bell-shaped end piece on the second outer ring 46, more precisely on the holder 52.
  • the second outer ring 46 rotates in the same direction to the sun gear 32.
  • the selected structure of the second gear stage type makes a separate storage of the sun gear 32 and thus of the inner rotor 22 (or outer motor 24) and the second outer ring 46, ie the Absch Kunststoffs 54, expendable, but it does not exclude.
  • the bearing of the inner rotor 22 (or outer motor 24) in the gear stage 14 has the advantage that it is free of play and thus causes a silent running of the inner rotor 22 (or outer motor 24).
  • the (smaller) second outer ring 46 is fixed to the housing and the (larger) first outer ring 44 is the output, which causes an opposite rotation of Sonnemad 32 and first outer ring 44.
  • the outer rings 44 and 46 are fixed to the housing and the (larger) first outer ring 44 is the output, which causes an opposite rotation of Sonnemad 32 and first outer ring 44.
  • a reversal of the direction of the output can be achieved with the same direction of rotation of the sun gear 32.
  • the required electronics of the Motors 12 can then be built much simpler, which simplifies the production of the engine 12.
  • the second gear stage type can be further modified by a different number of roller sets.
  • the small speed difference is tapped according to the manner described between two adjacent transmission elements.
  • the third gear stage type is again a single-stage planetary differential gear, which in turn is described in a radially layered Reibrad- execution, but also in a Zah ad- execution is possible.
  • the gear stage 14 is aligned with the central axis A of the motor 12.
  • a sun gear 32 is arranged around the axis A, on the peripheral surface of which three planetary rollers 34 roll along.
  • the unrestrained planetary rollers 34 are enclosed by an annular first Hohhad 36, which has a low elasticity, that is relatively stiff.
  • the planetary rollers 34 are enclosed by a second ring gear 56, which has a higher elasticity and a smaller inner circumference than the first ring gear 36.
  • the two ring gears 36 and 56 provide a radial bias with high contact pressure and thus for a good rolling of the planetary rollers 34 without slippage, wherein the sun gear 32 compensates for the radial forces.
  • the ratio of the Hohhad inner circumference for a ratio of 200 does not need to be 200/199, but can be chosen to be more generous and thus less susceptible to tolerances.
  • a web which supports the planetary rollers may be provided in the same way as the first gear stage type as a drive or a bearing cage fixing the planetary rollers.
  • sun gears of different elasticity can be provided in a modified embodiment, two axially successively arranged sun gears of different elasticity in combination with a Hohhad or other combinations of continuous or divided sun gears and ring gears of different elasticity.
  • the planetary rollers can also be stepped.
  • the second Hohhad 56 is received by a radially outwardly surrounding elastomer bed 50, for example, a rubber ring, which in turn is disposed radially within a holder 52 .
  • the elastomer bed 50 may also be considered as a further constituent of the ring gear 56 having a metal ring.
  • elastic spokes for the second Hohhad 56 or an axial or radial tap possibly with the interposition of a pot with deformable walls or a damper elements having perforated disc can be provided.
  • the slightly non-uniform movement of the ring gear 56 is preferably not or only slightly compensated.
  • the preferred combination of this third gear stage type is done with the first or second engine variant, but can also be done with other engine variants, including brush-commutated engines.
  • the first ring gear 36 will be For example, fixed to the housing, that is connected to the stator 16.
  • the sun gear 32 serving as the drive is connected to the inner rotor 22 (or the outer motor 24), while the second Hohhad 56 serves as the output 54.
  • the second Hohhad 56 serves as the output 54.
  • designed as a hollow shaft Abhiebswelle is attached with a bell-shaped end piece on the second Hohhad 56, more precisely on the Garrang 52.
  • the respective diameters must be at most in the same orders of magnitude, so that there is a further translation option by choosing the diameter.
  • the axial lengths of Sonnemad 32, planetary gears 34 and Hohhad 36 are chosen so large that by means of the gear stage 14, a bearing of the inner rotor 22 and the outer motor 24 takes place relative to the stator 16.
  • the selected structure of the third gear stage type is also a separate storage of the sun gear 32 and thus of the internal motor 22 (or external motor 24) and the second ring gear 56, ie the output 54, dispensable, but does not exclude.
  • the gear 14 may be designed as a manual transmission, by means of which (in a single rotor 22 or 24 single) always the same direction of rotation of the motor 12, the direction of rotation of Abhiebs 54 between two different Abtriebssearchmaschineen is switchable, which is explained in more detail below with reference to the second gear stage type is.
  • a set of inner planetary gears 34 are seated on the sun gear 32, on which in turn a set of first planetary rollers 40 biased by a first outer ring 44 is disposed, and axially offset therefrom by a set of second planetary rollers 42 a second outer ring 46 is held biased.
  • the second outer ring 46 forms part of the Abhiebs 54.
  • the axial length of the inner planetary rollers 34 is selected so that axially adjacent to the first Außeming 44 on the side facing away from the second Außeming 46 side, a third outer ring 58 is arranged, which should tenter the inner planet with bias 34 directly includes.
  • the outer diameter of the first outer ring 44 and the third outer ring 58 are at least approximately coincident.
  • a wrap spring 60 is supported fixed to the housing at its center and otherwise wrapped with a portion of their turns around the first outer ring 44 and with another part of their turns around the third outer ring 58.
  • a permanent magnet is arranged in each case as a holding magnet 61, wherein the mutually facing poles of the two holding magnets 61 repel each other.
  • the holding magnets 61 preferably have a high permeability, for example by containing metals from the group of rare earths. Between the two holding magnets 61, a core 62 made of soft iron is arranged, around which a coil 63 which can be energized with an optional polarity is wound.
  • the holding magnets 61 can be arranged, for example, on toothed pawls 64, which lockably lock the outer rings, which each carry a toothing.
  • the operation is as described above.
  • the locking device can also serve to lock torques in the idle state, which are initiated by the output 54.
  • Spenen need not take place at the gear stage 14, it can also be provided between the engine 12 and gear 14.
  • the output shaft of the motor 12 is provided on the one hand with a motor pinion 66 which engages in an intermediate wheel 67 connected to the sun gear 32, and on the other hand frictionally connected to a control disc 68 with two cams 68 '.
  • two spring-loaded toothed pawls 64 engage, at least approximately positively, in the intermediate wheel 67 and lock it, in particular against torques introduced on the output side.
  • control disk 68 With the onset of the rotational movement of the motor 12, the control disk 68 is rotated, wherein the cams 68 'come into abutment against control contours 64' of the Zahnklin- ken 64 and thereby lift the pawls 64 from the intermediate gear 67, as shown in Fig. 13B.
  • the intermediate wheel 67 can now be driven freely, wherein the frictional engagement with the control disk 68 is preferably canceled.
  • the control disk 68 is not frictionally engaged with a rotating axis, but rotatably with the non-rotating motor part and this in turn rotatably supported by a small angular range to the housing.
  • the drive unit 10 may be desirable for the drive unit 10 to output a higher speed and / or a higher torque. Such a situation is - in the case of use of the drive device 10 in a vehicle - a crash.
  • the driven by the drive unit 10 devices should then occupy certain positions as quickly as possible in order to increase occupant protection, for which it is accepted that the drive unit 10 may subsequently be unusable.
  • Another particular situation would be a quick adjustment of one or more adjusters of a vehicle seat over a large area, such as folding the backrest (free pivoting) in combination with a longitudinal adjustment to facilitate access to a rear row of seats (easy-entry).
  • a mechanical solution for the quick adjustment would be realized in the second and third Gehubeworkntyp training as Weggehiebe with selectable gear ratio, if the difference in the geometries of the outer rings 44 and 46 or the elasticities of the ring gears 36 and 56 is sufficiently large.
  • the existing in the gearbox locking device which determines by switching alternately exactly a Außeming 44 or 46 or exactly one Hohhad 36 or 56, different speeds and thus different gear ratios can be generated at the output. If the direction of rotation of the motor 12 remains the same, the direction of rotation of the Abhiebs, which corresponds to the situation described above in the unidirectional motor changes. In order to produce a constant direction of rotation of the output is - except the switching of the locking device - still change the direction of rotation of the motor 12.
  • the inventively provided drive unit 10 is used in the present case for driving a settler 80 within a vehicle, wherein the drive unit 10 can also be used elsewhere.
  • the adjuster 80 has in the general case two relatively movable components, between which the drive unit 10 acts with its output 54.
  • the low speed of the output 54 provides a large torque.
  • Means for implementing the rotational movement of the output 54 into a linear movement in the adjuster 80 may be provided. It can also be provided for each adjustment direction of the adjuster 80 a separate drive unit.
  • Examples of the adjuster 80 in the area of vehicle seats would be a backrest inclination adjuster, in particular in the form of a self-locking transmission fitting, a seat height adjuster acting between two transmission links of a four-bar linkage, a seat recliner pivoting the front edge of a seat cushion, or a seat longitudinal adjuster longitudinally traversing the vehicle seat.
  • two similar, individual adjuster 80 cooperate to move a component together.
  • the same individual adjusters 80 are generally present on both vehicle seat sides, which are coupled in a known solution in pairs by means of a rotatable transmission rod and are synchronized.
  • a separate drive unit 10 can be provided for each individual adjuster 80 of a pair, which then for example by means of the electronics for electronic commutation of the motor 12 or - in the case of a vehicle seat - on the stiffness the structure of the vehicle seat are synchronized.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Power Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Retarders (AREA)
  • Friction Gearing (AREA)

Abstract

L'invention concerne une unité d'entraînement (10) d'un dispositif de réglage installé dans un véhicule, comportant au moins un moteur (12) et au moins un étage d'engrenages (14) monté côté sortie du moteur (12). L'étage d'engrenages (14) se présente sous la forme d'un engrenage différentiel du type à roues de friction, qui génère un mouvement d'un organe de sortie (54) autour d'un axe (A) au moyen de deux vitesses de rotation et/ou deux sens de rotation différents.
PCT/DE2005/000633 2004-04-15 2005-04-05 Unite d'entrainement d'un dispositif de reglage installe dans un vehicule WO2005101622A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CN2005800120074A CN1943096B (zh) 2004-04-15 2005-04-05 汽车中的调节器的驱动装置
PL05738842T PL1735899T3 (pl) 2004-04-15 2005-04-05 Moduł napędowy nastawnika w pojeździe
JP2007507658A JP2007532837A (ja) 2004-04-15 2005-04-05 車両内のアジャスタの駆動装置
EP05738842A EP1735899B1 (fr) 2004-04-15 2005-04-05 Unite d'entrainement d'un dispositif de reglage installe dans un vehicule
DE502005005545T DE502005005545D1 (de) 2004-04-15 2005-04-05 Antriebseinheit eines einstellers in einem fahrzeug
KR1020067019143A KR101141799B1 (ko) 2004-04-15 2005-04-05 차량내의 조절기의 구동 유닛
US11/581,090 US7544143B2 (en) 2004-04-15 2006-10-13 Drive unit of an adjuster in a vehicle

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004019469.6 2004-04-15
DE102004019469A DE102004019469A1 (de) 2004-04-15 2004-04-15 Antriebseinheit in einem Fahrzeug

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US11/581,090 Continuation US7544143B2 (en) 2004-04-15 2006-10-13 Drive unit of an adjuster in a vehicle

Publications (1)

Publication Number Publication Date
WO2005101622A1 true WO2005101622A1 (fr) 2005-10-27

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PCT/DE2005/000633 WO2005101622A1 (fr) 2004-04-15 2005-04-05 Unite d'entrainement d'un dispositif de reglage installe dans un vehicule

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US (1) US7544143B2 (fr)
EP (1) EP1735899B1 (fr)
JP (1) JP2007532837A (fr)
KR (1) KR101141799B1 (fr)
CN (1) CN1943096B (fr)
DE (2) DE102004019469A1 (fr)
PL (1) PL1735899T3 (fr)
WO (1) WO2005101622A1 (fr)

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CN106122415B (zh) * 2016-08-09 2018-10-19 无锡海核装备科技有限公司 一种多点接触的摩擦轮对接传动装置
CN108150637B (zh) * 2018-02-07 2023-10-03 深圳市万维博新能源技术有限公司 一种多档ev动力装置
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WO2016044743A1 (fr) * 2014-09-19 2016-03-24 Magna Seating Inc. Dispositif d'inclinaison à disque à réducteur à planétaire pour siège de véhicule automobile
US10106059B2 (en) 2014-09-19 2018-10-23 Magna Seating Inc Harmonic drive disc recliner for automotive vehicle seat

Also Published As

Publication number Publication date
KR20070002018A (ko) 2007-01-04
PL1735899T3 (pl) 2009-01-30
US7544143B2 (en) 2009-06-09
JP2007532837A (ja) 2007-11-15
DE102004019469A1 (de) 2005-11-10
CN1943096A (zh) 2007-04-04
EP1735899B1 (fr) 2008-10-01
KR101141799B1 (ko) 2012-05-24
CN1943096B (zh) 2010-05-05
US20070060433A1 (en) 2007-03-15
EP1735899A1 (fr) 2006-12-27
DE502005005545D1 (de) 2008-11-13

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